TheBu11d0g already provided the link that should explain all about posting hands.

It would be great if you could convert this hand as described in that link and post it in this thread. If that's not possible then I would at least ask you to provide some more information about the preflop: what was your position, how many players were dealt cards, what did other players do and what did you do.

Putting my self in my opponent's position with KK, if I see a raise and re-raise on a hand with AA on the board, I would be very concerned that my opponent has at least 1 ace.

So I only really have 2 outs here, KK.

Yet I kept calling his bet, with two pairs KK and AA.

I still think this is a case where bad play got lucky, my mistake was on the river where I called his all in, but then again there were already 60% of the money in the pot I probably wouldn't have folded anyway.

OK, A9o is not playable from any position preflop with SSS, so you did well to just check on the big blind. But there's another mistake, when you play SSS you have to leave the table when you have more than 25 big blinds in your stack.

On the flop, you hit trips which is very strong hand and you want to get value out of your hand, therefore bet pot size and when you get raised you can just push all-in directly if your starting stack was ~3,50$ as you wrote in the initial post.

As played, you have to go broke on the turn, there is no way to fold trips with small stack that you had left.

Btw, it was horrible play to limp KK indeed.

If you might have any other question feel free to click "Advise the judge to have another look" button.